body {
    font-size: 70%;
    height:100%;
    line-height: 1.5em;
    font-family:"黑体";
    color: #333333;
}
.FontSize1{
    font-size: 4.8em;
}
.FontSize2{
    font-size: 1.1em;
}
.FontSize3{
    font-size:4em;
}
.FontSize4{
    font-size: 3.2em;
}
.FontSize5{
    font-size: 0.2em;
}
.FontSize6{
    font-size: 2.75em;
}
.FontSize7{
    font-size: 3.4em;
}
@media screen and (-webkit-min-device-pixel-ratio: 1.0) {
    body {
        font-size: 15.6% !important;
    }
}

@media screen and (-webkit-min-device-pixel-ratio: 1.3) {
    body {
        font-size: 15.6% !important;
    }
}

@media screen and (-webkit-min-device-pixel-ratio: 1.5) {
    body {
        font-size: 15.6% !important;
    }
}

@media screen and (-webkit-min-device-pixel-ratio: 2) {
    body {
        font-size: 31.1% !important;
    }
    .largerFontSize {
        font-size: 5em;
    }
}

@media screen and (-webkit-min-device-pixel-ratio: 2.1) {
    body {
        font-size: 62.5% !important;
    }
}

@media screen and (-webkit-min-device-pixel-ratio: 3.0) {
    body {
        font-size: 42.5% !important;
    }
}